INTERNACHI ELECTRICAL MATERIAL
EXAM
T/F: Electrical service masts can support telephone cables. - Correct Answers -False
Fused neutral circuits were common in the __________. - Correct Answers -1920s
T/F: All panel enclosures need to be bonded to ground - Correct Answers -True
A live wire is sometimes called a(n) ___________. - Correct Answers -Unground
conductor *It's unground and there is nowhere for excess electricity so it is "Live"
In a false grounded receptacle, the ground wire is connected to ______________. -
Correct Answers -The grounded conductor
A 4-wire, 240V cable assembly has _________, one neutral, and one ground conductor
- Correct Answers -Two hots
Most circuits in North America are wired with _________ cable type - Correct Answers -
Non-Metallic
NM cable should be supported every _____ feet and within _____ feet from boxes and
terminations - Correct Answers -4.5 feet, 1 feet
Size of White NM cable (according to color coding system) - Correct Answers -14 AWG
Size of Yellow NM cable (according to color coding system) - Correct Answers -12 AWG
Size of Orange NM cable (according to color coding system) - Correct Answers -10
AWG
Size of Black NM cable (according to color coding system) - Correct Answers -8 AWG
and 6 AWG
Which type of over-current protection device provides fire protection by opening the
circuit if an arcing fault is detected? - Correct Answers -GFCI
Standards of practice for smoke alarms? - Correct Answers -Home inspector is required
to report the presence/ absence of smoke alarms or CO alarms
, ______________ electrical wiring in an attic should not be within 6 feet of the entrance
opening. - Correct Answers -Unprotected
Every 5 to 6 feet (roof), rigid service masts should be secured to __________. - Correct
Answers -The Structure Points.
What clothing is unsuitable to wear during an electrical inspection - Correct Answers -
Nylon Clothing
What location in the home requires fixed lighting? - Correct Answers -Kitchen
T/F: The inspector is required to test forVoltage drop on electrical receptacles - Correct
Answers -False
Are horizontally mounted face-up countertop receptacles allowed? - Correct Answers -
No, Because water from a spill can go in.
Electric panel buses colored red, blue, and black are indicative of a ______________. -
Correct Answers -3-Phase Supply
A service entrance with ________ connected conductor(s) is a 3-phase supply. -
Correct Answers -Four
If _______ is/are present, the panel should not be opened to inspect - Correct Answers
-Arcing, Smoke, Exposed Wiring, Moisture, Rusting
______________ occurs when a spark jumps between an energized part and a
grounded part - Correct Answers -Arc-Flashing
A _____-amp breaker should supply a minimum #12 conductor. - Correct Answers -20
A __________ conductor should be connected to a 15-amp fuse or breaker. - Correct
Answers -14 AWG
Several grounded conductors ___________ terminate on the same lug. - Correct
Answers -Should not
What type of wiring do we need to recommend a specialist and why? - Correct Answers
-Aluminum: Less durable, More expansion (loose connections), Can arc and catch fire
COPALUM is the only approved repair to _________wire terminations? - Correct
Answers -Aluminum
The first kind of residential wiring is called - Correct Answers -Knob-and-tube
EXAM
T/F: Electrical service masts can support telephone cables. - Correct Answers -False
Fused neutral circuits were common in the __________. - Correct Answers -1920s
T/F: All panel enclosures need to be bonded to ground - Correct Answers -True
A live wire is sometimes called a(n) ___________. - Correct Answers -Unground
conductor *It's unground and there is nowhere for excess electricity so it is "Live"
In a false grounded receptacle, the ground wire is connected to ______________. -
Correct Answers -The grounded conductor
A 4-wire, 240V cable assembly has _________, one neutral, and one ground conductor
- Correct Answers -Two hots
Most circuits in North America are wired with _________ cable type - Correct Answers -
Non-Metallic
NM cable should be supported every _____ feet and within _____ feet from boxes and
terminations - Correct Answers -4.5 feet, 1 feet
Size of White NM cable (according to color coding system) - Correct Answers -14 AWG
Size of Yellow NM cable (according to color coding system) - Correct Answers -12 AWG
Size of Orange NM cable (according to color coding system) - Correct Answers -10
AWG
Size of Black NM cable (according to color coding system) - Correct Answers -8 AWG
and 6 AWG
Which type of over-current protection device provides fire protection by opening the
circuit if an arcing fault is detected? - Correct Answers -GFCI
Standards of practice for smoke alarms? - Correct Answers -Home inspector is required
to report the presence/ absence of smoke alarms or CO alarms
, ______________ electrical wiring in an attic should not be within 6 feet of the entrance
opening. - Correct Answers -Unprotected
Every 5 to 6 feet (roof), rigid service masts should be secured to __________. - Correct
Answers -The Structure Points.
What clothing is unsuitable to wear during an electrical inspection - Correct Answers -
Nylon Clothing
What location in the home requires fixed lighting? - Correct Answers -Kitchen
T/F: The inspector is required to test forVoltage drop on electrical receptacles - Correct
Answers -False
Are horizontally mounted face-up countertop receptacles allowed? - Correct Answers -
No, Because water from a spill can go in.
Electric panel buses colored red, blue, and black are indicative of a ______________. -
Correct Answers -3-Phase Supply
A service entrance with ________ connected conductor(s) is a 3-phase supply. -
Correct Answers -Four
If _______ is/are present, the panel should not be opened to inspect - Correct Answers
-Arcing, Smoke, Exposed Wiring, Moisture, Rusting
______________ occurs when a spark jumps between an energized part and a
grounded part - Correct Answers -Arc-Flashing
A _____-amp breaker should supply a minimum #12 conductor. - Correct Answers -20
A __________ conductor should be connected to a 15-amp fuse or breaker. - Correct
Answers -14 AWG
Several grounded conductors ___________ terminate on the same lug. - Correct
Answers -Should not
What type of wiring do we need to recommend a specialist and why? - Correct Answers
-Aluminum: Less durable, More expansion (loose connections), Can arc and catch fire
COPALUM is the only approved repair to _________wire terminations? - Correct
Answers -Aluminum
The first kind of residential wiring is called - Correct Answers -Knob-and-tube
